Home / 75,964.24-113,937.40-47,801.20

Finding the Fourth Proportional to 75,964.24, 113,937.40 and 47,801.20

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Solution

The fourth proportional to 75,964.24, 113,937.40 and 47,801.20 is: 71,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,964.24 : 113,937.40 = 47,801.20 : x
  2. Step 2: Convert to fraction form
    75,964.24/113,937.40 = 47,801.20/x
  3. Step 3: Cross multiply
    75,964.24x = 113,937.40 × 47,801.20
  4. Step 4: Simplify right side
    75,964.24x = 5,446,344,444.88
  5. Step 5: Solve for x
    x = 5,446,344,444.88/75,964.24
  6. Step 6: Final answer
    x = 71,696.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.